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For the 2026 school year, there are 5 public high schools serving 1,734 students in Delaware County, OK.

The top-ranked public high schools in Delaware County, OK are Grove High School, Kansas High School and Colcord High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Delaware County, OK public high schools have an average math proficiency score of 16% (versus the Oklahoma public high school average of 19%), and reading proficiency score of 33% (versus the 38% statewide average). High schools in Delaware County have an average ranking of 1/10, which is in the bottom 50% of Oklahoma public high schools.

Delaware County, OK public high school have a Graduation Rate of 86%, which is more than the Oklahoma average of 80%.

The school with highest graduation rate is Kansas High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Oklahoma or national school graduation rate statistics.

Minority enrollment is 63% of the student body (majority American Indian), which is more than the Oklahoma public high school average of 55% (majority Hispanic and American Indian).